Python绘图之(1)Turtle库详解答:turtle.screensize(canvwidth=None, canvheight=None, bg=None),参数分别为画布的宽(单位像素), 高, 背景颜色。如:turtle.screensize(800,600, "green")turtle.screensize() #返回默认大小(400, 300)turtle.setup(width=0.5, height=0.75, startx=None, starty=None),参数:width, height:...